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Before yesterdayNews from the Ada programming language world

The application is damaged and can't be opened

I downloaded a new version of eclipseArduino(Arduino development within Eclipse). After unpacking and moving to /Applications, I get the message

"eclipseArduino" is damaged and can't be opened. You should move it to the Trash.

Huh.

After a lot of poking around, I found this:

  1. Open Gatekeeper settings located in System Preferences > Security & Privacy.
  2. Set Allow applications downloaded from: to Anywhereand confirm by pressing Allow From Anywhere.
  3. Run the application.
  4. Once the application has been successfully launched, it no longer goes through Gatekeeper; so, restore Gatekeeper settings to the default option Mac App Store and identified developers after successfully launching the application.

Mojave vs. GDB

Apple's software development tools are based on LLVM, and Apple don't seem to feel it necessary to keep GCC and friends up to date with changes in the Apple tools or security policies.

GDB has been particularly affected by this. You can see why a tool which is capable of interacting with running programs would have to be treated with caution.

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Mojave vs. GCC

After you've installed Xcode (or, my preference, the Command Line Tools via xcode-select -install) so that you can install and use GNAT, you may expect to be able to compile C code too.

Mojave may surprise you with

$ gcc casing.c -o casing
casing.c:1:10: fatal error: stdio.h: No such file or directory
    1 | #include <stdio.h>
      |          ^~~~~~~~~
      compilation terminated.

The reason, according to this question and its answers, is that Apple's developer tools, in particular the clang compiler, know where to find the include files under /Library/Developer; GCC doesn't (I'm sure it could be made to, but ...) and so we have to add an extra step to install them in the normal place:

$ sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target /
Password:
installer: Package name is macOS_SDK_headers_for_macOS_10.14
installer: Installing at base path /
installer: The install was successful.
You may need to repeat this after macOS or Command Line Tools (or Xcode) updates.

Word, templates, rage

This is with Word 2019 for Mac. Why am I using Word, anyway? - because LibreOffice has stopped working with our membership database in SQLite, and wasn’t working at all well with a CSV export. Oh, and Word doesn’t work with SQLite either.

I managed to create a Word template by careful editing of the LibreOffice version; painful to have to work with CSVs, but better than filling in 100 membership letters by hand (most of our members have email, so a Python script using email.mime, smtplib, sqlite3 etc worked for them, leaving the diehards ...)

OK, the organisation has a new chair, time to update the template.

Where is it? Turns out, ~/Library/Group Containers/UBF8T346G9.Office/User Content/Templates. Well done, Microsoft.

And then, the challenge is to find a way of editing the template. Whatever I try, whatever tips I follow on the net, all I can do is edit a document based on the template, which is not what I need to happen!

I would look into PDFs viaΒ fpdf2, but I should only have another year in this post and the next person might have an issue with that. (The same applies to using SQLite, of course. Hmm.)

So I guess it’s back to LibreOffice.


Building GCC 12.2.0 on Ventura for aarch64

These are notes on building GCC 12.2.0 and GNAT tools for Apple silicon.

There were two main problems:

  • the base package was built on an Intel machine (lockheed - named after Shadowcat’s companion dragon), running Monterey (macOS 12).
  • the build machine, an M1 mac Mini (temeraire - named after Naomi Novik’s dragon) was by this time running Ventura (macOS 13), but I wanted to make sure that users could continue to run on Monterey.
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Libadalang, Alire, and macOS

Background

This exercise was prompted by the need for Scripted Testing to be supported by – as far as possible – code generation. The need is for the public or interfacing view of a supporting part (domain) of a system to be able to log calls made to it and to provide values on calls to it, using a scripting mechanism.

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